Ejemplo n.º 1
0
 // 顯示執行緒集區內的所有運作參數
 public static void ShowAllThreadPoolInformation(ThreadPoolInformation threadPoolInformation)
 {
     Console.WriteLine($"執行緒集區的相關設定資訊");
     Console.WriteLine($"邏輯處理器數目 : {threadPoolInformation.ProcessorCount} ");
     Console.WriteLine($"WorkItem Thread :" +
                       $" (Busy:{threadPoolInformation.BusyWorkerThreads}, Free:{threadPoolInformation.AvailableWorkerThreads}, Min:{threadPoolInformation.MinWorkerThreads}, Max:{threadPoolInformation.MaxWorkerThreads})");
     Console.WriteLine($"IOPC Thread :" +
                       $" (Busy:{threadPoolInformation.BusyCompletionPortThreads}, Free:{threadPoolInformation.AvailableCompletionPortThreads}, Min:{threadPoolInformation.MinCompletionPortThreads}, Max:{threadPoolInformation.MaxCompletionPortThreads})");
     Console.WriteLine($"");
 }
Ejemplo n.º 2
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 // 顯示執行緒集區內上有多少空間,可以用來增加新執行緒的數量
 public static void ShowAvailableThreadPoolInformation(ThreadPoolInformation threadPoolInformation)
 {
     if (LastBusyWorkerThreads != threadPoolInformation.BusyWorkerThreads ||
         LastBusyCompletionPortThreads != threadPoolInformation.BusyCompletionPortThreads)
     {
         LastBusyWorkerThreads         = threadPoolInformation.BusyWorkerThreads;
         LastBusyCompletionPortThreads = threadPoolInformation.BusyCompletionPortThreads;
         //Console.WriteLine($"   WorkItem Thread :" +
         //    $" (Busy:{threadPoolInformation.BusyWorkerThreads}, Free:{threadPoolInformation.AvailableWorkerThreads}, Min:{threadPoolInformation.MinWorkerThreads}, Max:{threadPoolInformation.MaxWorkerThreads})");
         //Console.WriteLine($"   IOPC Thread :" +
         //    $" (Busy:{threadPoolInformation.BusyCompletionPortThreads}, Free:{threadPoolInformation.AvailableCompletionPortThreads}, Min:{threadPoolInformation.MinCompletionPortThreads}, Max:{threadPoolInformation.MaxCompletionPortThreads})");
     }
 }
Ejemplo n.º 3
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        public static void ShowCurrentThreadUsage(ThreadPoolInformation threadPoolInformation, ThreadPoolInformation threadPoolCurrentInformation)
        {
            int workerThreads;
            int completionPortThreads;

            // 傳回之執行緒集區的現在還可以容許使用多少的執行緒數量大小
            ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
            threadPoolCurrentInformation.AvailableWorkerThreads         = workerThreads;
            threadPoolCurrentInformation.AvailableCompletionPortThreads = completionPortThreads;
            threadPoolCurrentInformation.BusyWorkerThreads         = threadPoolInformation.AvailableWorkerThreads - workerThreads;
            threadPoolCurrentInformation.BusyCompletionPortThreads = threadPoolInformation.AvailableCompletionPortThreads - completionPortThreads;
            ShowAvailableThreadPoolInformation(threadPoolCurrentInformation);
        }
Ejemplo n.º 4
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        public static void BeginMonitor()
        {
            threadPoolInformation = new ThreadPoolInformation();
            GetThreadPoolInformation(threadPoolInformation);
            //LastBusyWorkerThreads = threadPoolInformation.BusyWorkerThreads;
            //LastBusyCompletionPortThreads = threadPoolInformation.BusyCompletionPortThreads;

            ShowAllThreadPoolInformation(threadPoolInformation);
            threadPoolCurrentInformation = threadPoolInformation.Clone();

            while (true)
            {
                ShowCurrentThreadUsage(threadPoolInformation, threadPoolCurrentInformation);
                Thread.Sleep(0);
            }
        }
Ejemplo n.º 5
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        // 取得執行緒集區內的相關設定參數
        public static void GetThreadPoolInformation(ThreadPoolInformation threadPoolInformation)
        {
            int workerThreads;
            int completionPortThreads;

            // 傳回之執行緒集區的現在還可以容許使用多少的執行緒數量大小
            ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
            threadPoolInformation.AvailableWorkerThreads         = workerThreads;
            threadPoolInformation.AvailableCompletionPortThreads = completionPortThreads;

            // 擷取可並行使用之執行緒集區的要求數目。 超過該數目的所有要求會繼續佇列,直到可以使用執行緒集區執行緒為止
            ThreadPool.GetMaxThreads(out workerThreads, out completionPortThreads);
            threadPoolInformation.MaxWorkerThreads         = workerThreads;
            threadPoolInformation.MaxCompletionPortThreads = completionPortThreads;

            // 在切換至管理執行緒建立和解構的演算法之前,擷取執行緒集區隨著提出新要求,視需要建立的執行緒最小數目。
            ThreadPool.GetMinThreads(out workerThreads, out completionPortThreads);
            threadPoolInformation.MinWorkerThreads         = workerThreads;
            threadPoolInformation.MinCompletionPortThreads = completionPortThreads;

            // 如果目前電腦包含多個處理器群組,則這個屬性會傳回可供 Common Language Runtime (CLR) 使用的邏輯處理器數目
            threadPoolInformation.ProcessorCount = System.Environment.ProcessorCount;
        }
Ejemplo n.º 6
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 public void ComputeBusyThreads(ThreadPoolInformation threadPoolInformation)
 {
     this.BusyWorkerThreads         = threadPoolInformation.AvailableWorkerThreads - this.AvailableWorkerThreads;
     this.BusyCompletionPortThreads = threadPoolInformation.BusyCompletionPortThreads - this.BusyCompletionPortThreads;
 }